src/frontends/xforms/Timeout_pimpl.C

   1 /**
   2  * \file xforms/Timeout_pimpl.C
   3  * Copyright 2001 LyX Team
   4  * Read COPYING
   5  *
   6  * \author Lars Gullik Bjønnes, larsbj@lyx.org
   7  * \author John Levon, moz@compsoc.man.ac.uk
   8  */
   9
  10 #include <config.h>
  11
  12 #include FORMS_H_LOCATION
  13
  14 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "Timeout_pimpl.h"
  19 #include "debug.h"
  20
  21 using std::endl;
  22
  23 namespace {
  24
  25 extern "C" {
  26
  27         static
  28         void C_intern_timeout_cb(int, void * data)
  29         {
  30                 Timeout * to = static_cast<Timeout *>(data);
  31                 to->emit();
  32         }
  33
  34 }
  35
  36 } // namespace anon
  37
  38
  39 Timeout::Pimpl::Pimpl(Timeout * owner)
  40         : owner_(owner), timeout_id(-1)
  41 {
  42 }
  43
  44
  45 void Timeout::Pimpl::reset()
  46 {
  47         timeout_id = -1;
  48 }
  49
  50
  51 bool Timeout::Pimpl::running() const
  52 {
  53         return timeout_id != -1;
  54 }
  55
  56
  57 void Timeout::Pimpl::start()
  58 {
  59         if (timeout_id != -1)
  60                 lyxerr << "Timeout::start: already running!" << endl;
  61         timeout_id = fl_add_timeout(owner_->timeout_ms,
  62                                     C_intern_timeout_cb, owner_);
  63 }
  64
  65
  66 void Timeout::Pimpl::stop()
  67 {
  68         if (timeout_id != -1) {
  69                 fl_remove_timeout(timeout_id);
  70                 timeout_id = -1;
  71         }
  72 }